The Republican Party of Iowa announced Saturday that the state's presidential nominating caucuses will be held on January 15, 2024, the federal holiday honoring Martin Luther King Jr. White House candidates have been campaigning in Iowa since last winter, and the Iowa caucuses will kick off the Republican selection process for a nominee. The Iowa GOP is looking forward to hosting a historic caucus and is hopeful that the party will be successful in defeating Joe Biden in the 2024 election.